S
M
T
W
T
F
S
26
57°
33°
27
69°
40°
28
56°
46°
29
54°
45°
30
51°
37°
1
47°
30°
2
47°
38°
3
54°
35°
4
58°
43°
5
66°
43°
6
48°
42°
7
53°
31°
8
53°
37°
9
58°
45°
10
57°
35°
11
56°
37°
12
50°
39°
13
52°
40°
14
56°
42°
15
58°
46°
16
60°
44°
17
59°
45°
18
58°
46°
19
60°
45°
20
63°
46°
21
57°
42°
22
57°
43°
23
58°
44°
24
61°
46°
25
65°
50°
26
65°
50°
27
61°
47°
28
64°
44°
29
60°
45°
30
66°
53°
31
69°
53°
1
69°
52°
2
65°
49°
3
68°
54°
4
71°
55°
5
72°
55°
6
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Pleasant
Mount Pleasant's May 2026 forecast shows daily high temperatures ranging from 50° to 72°, with overnight lows between 31° and 55°. The average high for May is 61° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mount Pleasant. See also: June | July | August.
